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#46
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OT How safe is a 7-zip passworded file?
On 09/01/2014 6:45 AM, Shadow wrote:
On Mon, 06 Jan 2014 12:33:14 -0500, Keith Nuttle wrote: On 1/6/2014 11:40 AM, Mr. Man-wai Chang wrote: On 6/01/2014 11:38 PM, Paul wrote: On 1/6/2014 10:11 AM, Mr. Man-wai Chang wrote: And BTW, your government could always arrest your physical body in reality for questioning! They can always use a keylogger. That is, install malwares into your PC when you were away from home? This is impossible if you turn off your computers when you are not using it. Windows 8 notebooks never turn off. Unless you pull the battery. Even then, it takes a while for the internal battery to die. Most people don't realize their notebooks are constantly transmitting. If they're always transmitting, then why isn't the WiFi connection any better after they come back from sleep? Yousuf Khan |
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#47
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OT How safe is a 7-zip passworded file?
On Thu, 09 Jan 2014 09:45:08 -0200, Shadow wrote:
On Mon, 06 Jan 2014 12:33:14 -0500, Keith Nuttle wrote: On 1/6/2014 11:40 AM, Mr. Man-wai Chang wrote: On 6/01/2014 11:38 PM, Paul wrote: On 1/6/2014 10:11 AM, Mr. Man-wai Chang wrote: And BTW, your government could always arrest your physical body in reality for questioning! They can always use a keylogger. That is, install malwares into your PC when you were away from home? This is impossible if you turn off your computers when you are not using it. Windows 8 notebooks never turn off. Unless you pull the battery. That's obviously not true. Even then, it takes a while for the internal battery to die. Internal battery? The only internal battery is the CR2032 (or equivalent) CMOS battery, which has nothing to do with this thread. Most people don't realize their notebooks are constantly transmitting. Since it's made up, it's ok that "most people don't realize". |
#48
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OT How safe is a 7-zip passworded file?
On 1/10/2014 1:35 AM, Yousuf Khan wrote:
On 08/01/2014 1:23 AM, Paul wrote: I don't see any effort by AMD, to match them on this. AMD is building in a full-function ARM processor into their newest processors for "secure access to their content and worry-free online transactions". It's supposed to leverage ARM's TrustZone security feature. Why would you need a full-function processor core just to do transaction processing, why not just license the algorithm and implement in your own processor? Looks like it's exactly the same thing as what Intel did. Buh-bye privacy! Yousuf Khan AMD Strengthens Security Solutions through Technology Partnership with ARM http://www.amd.com/us/press-releases...2012jun13.aspx While scary on the surface, the intention may be to have feature set commonality across product lines. This press release mentions AMD is getting into the ARM business. In the form of an ARM Opteron. So maybe the idea will be, to have similar functional blocks across the entire product line (offer TrustZone on x86 and ARM products). http://www.ngohq.com/news/22578-amd-...rocessors.html It looks more "Intel-like", if AMD was sticking with x86. But by dipping their toes in the ARM waters as well, then the acquisition of TrustZone isn't quite as scary. Paul |
#49
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OT How safe is a 7-zip passworded file?
I gave up on using passwords in zip or rar files and set up a Truecrypt drop
box for all my sensitive files. According to Bruce Schneier using puctuation, letters and numbers provides 88 possible passwords with a password length of 1. Using a password phrase of 30 or more, there isn't enough money or computing power available today or in the forseeable future to brute force attack it. 88 to the power of 30 is a Vigintillion or Centillion range. Online passwords are only as good as the technology behind the server and anyone who stores sensitive information in the cloud is an idiot. Can you spell NSA? |
#50
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OT How safe is a 7-zip passworded file?
On 1/13/2014, The Razor's Edge posted:
88 to the power of 30 is a Vigintillion or Centillion range. Or maybe 2.16x10**58, which I can understand :-) I didn't know the terms, so I looked them up in my dictionary. Not totally surprisingly[1], it gives vigintillion as 10**63 and centillion as 10**303 in the US, so it looks like your numbers are slightly off (and the British values are 10**120 and 10**600, so if you're English you'd be father off). [1] E.g., trillion is 10**(tri*3 + 3). -- Gene E. Bloch (Stumbling Bloch) |
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